#AECA42
Closest named color: Yellow Green (#9ACD32). oklch(79.3% 0.162 120.3), rgb(174, 202, 66).
Aa
Black text reads best on this color (11.32:1).
About this color
#AECA42 is a light, vivid yellow. In OKLCH its lightness is 79%, its chroma 0.162 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.030 away. Black text reads best on it, at 11.32:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.32:1 |
| White text | 1.85:1 |
Values
| HEX | #AECA42 |
| RGB | rgb(174, 202, 66) |
| HSL | hsl(72, 56%, 53%) |
| OKLCH | oklch(79.3% 0.162 120.3) |
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 #AECA42 | 1.85:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #AECA42 | 11.32:1 | AAA | Lc 69.1 | Content text, not long reading |
| #AECA42 text on white | 1.85:1 | Fails | Lc 34.8 | Non-text elements, placeholder text |
| #AECA42 text on black | 11.32:1 | AAA | Lc -67.8 | 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
#F3F8E8
oklch(97.1% 0.022 121)
-
Step 100
100
#E5EFCD
oklch(93.6% 0.046 120.6)
-
Step 200
200
#D1E39F
oklch(88.6% 0.091 120.3)
-
Step 300
300 (this color)
#AECA42
oklch(79.3% 0.162 120.3)
-
Step 400
400
#93AF00
oklch(70.7% 0.169 120.5)
-
Step 500
500
#7E9600
oklch(63.2% 0.151 120.4)
-
Step 600
600
#697E00
oklch(55.6% 0.133 120.6)
-
Step 700
700
#586A00
oklch(49.2% 0.117 120.6)
-
Step 800
800
#485600
oklch(42.6% 0.101 120)
-
Step 900
900
#3C4800
oklch(37.7% 0.09 119.9)
-
Step 950
950
#222B00
oklch(27.1% 0.065 121.1)
#AECA42 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) | #D6BF2E | 0.058 |
| Deuteranopia (no green cones) | #D3BF4C | 0.060 |
| Tritanopia (no blue cones) | #B7C0AF | 0.137 |
| Achromatopsia (no color) | #BEBEBE | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECA42
#AECA42
oklch(79.3% 0.162 120.3)
- #C8A9FF
#C8A9FF
oklch(79.3% 0.123 300.2)
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 #AECA42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.030
- Pea #A4BF20 ΔE 0.036
- Slime Green #99CC04 ΔE 0.041
- Light Olive Green #A4BE5C ΔE 0.046
- Light Moss Green #A6C875 ΔE 0.049
- Olive Yellow #C2B709 ΔE 0.051
- Pale Olive Green #B1D27B ΔE 0.052
- Bright Olive #9CBB04 ΔE 0.053
Use #AECA42 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.