#AAC74A
Closest named color: Pea (#A4BF20). oklch(78.4% 0.154 121.2), rgb(170, 199, 74).
Aa
Black text reads best on this color (10.97:1).
About this color
#AAC74A is a light, vivid yellow. In OKLCH its lightness is 78%, its chroma 0.154 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pea (#A4BF20), ΔE 0.031 away. Black text reads best on it, at 10.97:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Pea (#A4BF20) |
| Black text | 10.97:1 |
| White text | 1.91:1 |
Values
| HEX | #AAC74A |
| RGB | rgb(170, 199, 74) |
| HSL | hsl(74, 53%, 54%) |
| OKLCH | oklch(78.4% 0.154 121.2) |
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 #AAC74A | 1.91:1 | Fails | Lc -40.7 | Non-text elements, placeholder text |
| Black text on #AAC74A | 10.97:1 | AAA | Lc 67.5 | Content text, not long reading |
| #AAC74A text on white | 1.91:1 | Fails | Lc 36.4 | Non-text elements, placeholder text |
| #AAC74A text on black | 10.97:1 | AAA | Lc -66.1 | 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
#F3F8E9
oklch(97.1% 0.02 121.8)
-
Step 100
100
#E5EFCE
oklch(93.6% 0.045 121)
-
Step 200
200
#D0E2A3
oklch(88.4% 0.085 121.1)
-
Step 300
300 (this color)
#AAC74A
oklch(78.4% 0.154 121.2)
-
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)
#AAC74A 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) | #D3BC3A | 0.059 |
| Deuteranopia (no green cones) | #CFBC53 | 0.060 |
| Tritanopia (no blue cones) | #B3BDAD | 0.129 |
| Achromatopsia (no color) | #BBBBBB | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC74A
#AAC74A
oklch(78.4% 0.154 121.2)
- #C7A4FF
#C7A4FF
oklch(78.4% 0.131 301.1)
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 #AAC74A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea #A4BF20 ΔE 0.031
- Light Olive Green #A4BE5C ΔE 0.034
- Yellow Green #9ACD32 ΔE 0.034
- Light Moss Green #A6C875 ΔE 0.041
- Light Olive #ACBF69 ΔE 0.042
- Slime Green #99CC04 ΔE 0.046
- Bright Olive #9CBB04 ΔE 0.048
- Olive Yellow #C2B709 ΔE 0.048
Use #AAC74A 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.