#AECC4B
Closest named color: Yellow Green (#9ACD32). oklch(79.8% 0.157 121.2), rgb(174, 204, 75).
Aa
Black text reads best on this color (11.53:1).
About this color
#AECC4B is a light, vivid yellow. In OKLCH its lightness is 80%, its chroma 0.157 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.034 away. Black text reads best on it, at 11.53:1.
| Hue family | Yellows |
| Lightness | light (80%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.53:1 |
| White text | 1.81:1 |
Values
| HEX | #AECC4B |
| RGB | rgb(174, 204, 75) |
| HSL | hsl(74, 56%, 55%) |
| OKLCH | oklch(79.8% 0.157 121.2) |
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 #AECC4B | 1.81:1 | Fails | Lc -38.0 | Non-text elements, placeholder text |
| Black text on #AECC4B | 11.53:1 | AAA | Lc 70.0 | Content text, not long reading |
| #AECC4B text on white | 1.81:1 | Fails | Lc 33.9 | Non-text elements, placeholder text |
| #AECC4B text on black | 11.53:1 | AAA | Lc -68.7 | 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
#F3F8E8
oklch(97.1% 0.022 121)
-
Step 100
100
#E5EFCE
oklch(93.6% 0.045 121)
-
Step 200
200
#D0E3A2
oklch(88.6% 0.087 121.4)
-
Step 300
300 (this color)
#AECC4B
oklch(79.8% 0.157 121.2)
-
Step 400
400
#91AF00
oklch(70.6% 0.17 121.2)
-
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)
#AECC4B 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) | #D8C13B | 0.060 |
| Deuteranopia (no green cones) | #D4C054 | 0.062 |
| Tritanopia (no blue cones) | #B7C2B1 | 0.132 |
| Achromatopsia (no color) | #C0C0C0 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECC4B
#AECC4B
oklch(79.8% 0.157 121.2)
- #CBAAFF
#CBAAFF
oklch(79.8% 0.122 301.5)
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 #AECC4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.034
- Pea #A4BF20 ΔE 0.042
- Light Moss Green #A6C875 ΔE 0.045
- Pale Olive Green #B1D27B ΔE 0.046
- Slime Green #99CC04 ΔE 0.046
- Light Olive Green #A4BE5C ΔE 0.047
- Light Olive #ACBF69 ΔE 0.052
- Greenish Tan #BCCB7A ΔE 0.054
Use #AECC4B 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.