#AECE55
Closest named color: Pale Olive Green (#B1D27B). oklch(80.4% 0.152 122.3), rgb(174, 206, 85).
Aa
Black text reads best on this color (11.75:1).
About this color
#AECE55 is a light, vivid yellow. In OKLCH its lightness is 80%, its chroma 0.152 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Olive Green (#B1D27B), ΔE 0.038 away. Black text reads best on it, at 11.75:1.
| Hue family | Yellows |
| Lightness | light (80%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Pale Olive Green (#B1D27B) |
| Black text | 11.75:1 |
| White text | 1.78:1 |
Values
| HEX | #AECE55 |
| RGB | rgb(174, 206, 85) |
| HSL | hsl(76, 55%, 57%) |
| OKLCH | oklch(80.4% 0.152 122.3) |
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 #AECE55 | 1.78:1 | Fails | Lc -36.9 | Non-text elements, placeholder text |
| Black text on #AECE55 | 11.75:1 | AAA | Lc 71.0 | Content text, not long reading |
| #AECE55 text on white | 1.78:1 | Fails | Lc 32.9 | Non-text elements, placeholder text |
| #AECE55 text on black | 11.75:1 | AAA | Lc -69.8 | 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
#F3F8E9
oklch(97.1% 0.02 121.8)
-
Step 100
100
#E4EFCF
oklch(93.5% 0.044 122.7)
-
Step 200
200
#CFE3A4
oklch(88.6% 0.085 122.4)
-
Step 300
300 (this color)
#AECE55
oklch(80.4% 0.152 122.3)
-
Step 400
400
#8EB000
oklch(70.6% 0.172 122.4)
-
Step 500
500
#7A9700
oklch(63.1% 0.154 122.2)
-
Step 600
600
#667F00
oklch(55.6% 0.135 122.3)
-
Step 700
700
#556B00
oklch(49.2% 0.12 122.6)
-
Step 800
800
#455700
oklch(42.6% 0.104 122.4)
-
Step 900
900
#394900
oklch(37.8% 0.092 122.7)
-
Step 950
950
#212B00
oklch(27% 0.066 122.2)
#AECE55 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) | #D9C348 | 0.061 |
| Deuteranopia (no green cones) | #D5C25D | 0.063 |
| Tritanopia (no blue cones) | #B6C4B4 | 0.127 |
| Achromatopsia (no color) | #C2C2C2 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECE55
#AECE55
oklch(80.4% 0.152 122.3)
- #CEACFF
#CEACFF
oklch(80.4% 0.12 302.6)
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 #AECE55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Olive Green #B1D27B ΔE 0.038
- Yellow Green #9ACD32 ΔE 0.039
- Light Moss Green #A6C875 ΔE 0.041
- Greenish Tan #BCCB7A ΔE 0.048
- Light Olive Green #A4BE5C ΔE 0.049
- Pea #A4BF20 ΔE 0.050
- Light Olive #ACBF69 ΔE 0.051
- Slime Green #99CC04 ΔE 0.052
Use #AECE55 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.