#A9C577
Closest named color: Light Moss Green (#A6C875). oklch(78.4% 0.108 124.9), rgb(169, 197, 119).
Aa
Black text reads best on this color (10.93:1).
About this color
#A9C577 is a light, moderately saturated yellow. In OKLCH its lightness is 78%, its chroma 0.108 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.010 away. Black text reads best on it, at 10.93:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 10.93:1 |
| White text | 1.91:1 |
Values
| HEX | #A9C577 |
| RGB | rgb(169, 197, 119) |
| HSL | hsl(82, 40%, 62%) |
| OKLCH | oklch(78.4% 0.108 124.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A9C577 | 1.91:1 | Fails | Lc -41.0 | Non-text elements, placeholder text |
| Black text on #A9C577 | 10.93:1 | AAA | Lc 67.2 | Content text, not long reading |
| #A9C577 text on white | 1.91:1 | Fails | Lc 36.6 | Non-text elements, placeholder text |
| #A9C577 text on black | 10.93:1 | AAA | Lc -65.8 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F3F7ED
oklch(97% 0.014 124.6)
-
Step 100
100
#E5EED8
oklch(93.6% 0.031 125.2)
-
Step 200
200
#D0E1B6
oklch(88.6% 0.06 125.2)
-
Step 300
300 (this color)
#A9C577
oklch(78.4% 0.108 124.9)
-
Step 400
400
#88B215
oklch(70.7% 0.173 125.1)
-
Step 500
500
#749900
oklch(63.2% 0.159 125)
-
Step 600
600
#618000
oklch(55.5% 0.139 124.8)
-
Step 700
700
#516C00
oklch(49.2% 0.123 125)
-
Step 800
800
#425800
oklch(42.6% 0.107 124.6)
-
Step 900
900
#364A00
oklch(37.8% 0.095 125.3)
-
Step 950
950
#1F2C00
oklch(27.1% 0.068 125.1)
#A9C577 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #CDBC71 | 0.051 |
| Deuteranopia (no green cones) | #C9BB7B | 0.051 |
| Tritanopia (no blue cones) | #AEBEB2 | 0.087 |
| Achromatopsia (no color) | #BBBBBB | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9C577
#A9C577
oklch(78.4% 0.108 124.9)
- #C9A7F0
#C9A7F0
oklch(78.4% 0.108 305.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A9C577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.010
- Light Olive #ACBF69 ΔE 0.018
- Tan Green #A9BE70 ΔE 0.018
- Pale Olive #B9CC81 ΔE 0.031
- Greenish Tan #BCCB7A ΔE 0.031
- Light Olive Green #A4BE5C ΔE 0.032
- Pale Olive Green #B1D27B ΔE 0.037
- Dark Khaki #BDB76B ΔE 0.041
Use #A9C577 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.