#AEC278
Closest named color: Tan Green (#A9BE70). oklch(78.1% 0.1 121.1), rgb(174, 194, 120).
Aa
Black text reads best on this color (10.78:1).
About this color
#AEC278 is a light, moderately saturated yellow. In OKLCH its lightness is 78%, its chroma 0.100 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tan Green (#A9BE70), ΔE 0.015 away. Black text reads best on it, at 10.78:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Tan Green (#A9BE70) |
| Black text | 10.78:1 |
| White text | 1.94:1 |
Values
| HEX | #AEC278 |
| RGB | rgb(174, 194, 120) |
| HSL | hsl(76, 38%, 62%) |
| OKLCH | oklch(78.1% 0.1 121.1) |
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 #AEC278 | 1.94:1 | Fails | Lc -41.7 | Non-text elements, placeholder text |
| Black text on #AEC278 | 10.78:1 | AAA | Lc 66.5 | Content text, not long reading |
| #AEC278 text on white | 1.94:1 | Fails | Lc 37.4 | Non-text elements, placeholder text |
| #AEC278 text on black | 10.78:1 | AAA | Lc -65.1 | 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
#F4F7ED
oklch(97.1% 0.014 120.3)
-
Step 100
100
#E7EDD8
oklch(93.6% 0.029 119.9)
-
Step 200
200
#D3DFB7
oklch(88.4% 0.055 121.1)
-
Step 300
300 (this color)
#AEC278
oklch(78.1% 0.1 121.1)
-
Step 400
400
#92AF20
oklch(70.8% 0.161 121.2)
-
Step 500
500
#7C9600
oklch(63% 0.151 121.2)
-
Step 600
600
#687E00
oklch(55.5% 0.133 121.1)
-
Step 700
700
#576A00
oklch(49.1% 0.118 121.1)
-
Step 800
800
#475700
oklch(42.8% 0.103 121.1)
-
Step 900
900
#3B4800
oklch(37.7% 0.09 120.7)
-
Step 950
950
#222B00
oklch(27.1% 0.065 121.1)
#AEC278 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) | #CABA73 | 0.041 |
| Deuteranopia (no green cones) | #C8BA7C | 0.042 |
| Tritanopia (no blue cones) | #B4BBB0 | 0.084 |
| Achromatopsia (no color) | #BABABA | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC278
#AEC278
oklch(78.1% 0.1 121.1)
- #C3A9EE
#C3A9EE
oklch(78.2% 0.1 301.4)
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 #AEC278, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tan Green #A9BE70 ΔE 0.015
- Light Olive #ACBF69 ΔE 0.017
- Light Moss Green #A6C875 ΔE 0.020
- Pale Olive #B9CC81 ΔE 0.032
- Dark Khaki #BDB76B ΔE 0.032
- Greenish Tan #BCCB7A ΔE 0.032
- Light Olive Green #A4BE5C ΔE 0.035
- Pale Olive Green #B1D27B ΔE 0.044
Use #AEC278 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.