#ADD059
Closest named color: Pale Olive Green (#B1D27B). oklch(80.8% 0.151 123.5), rgb(173, 208, 89).
Aa
Black text reads best on this color (11.94:1).
About this color
#ADD059 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.151 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Olive Green (#B1D27B), ΔE 0.035 away. Black text reads best on it, at 11.94:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Pale Olive Green (#B1D27B) |
| Black text | 11.94:1 |
| White text | 1.75:1 |
Values
| HEX | #ADD059 |
| RGB | rgb(173, 208, 89) |
| HSL | hsl(78, 56%, 58%) |
| OKLCH | oklch(80.8% 0.151 123.5) |
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 #ADD059 | 1.75:1 | Fails | Lc -36.0 | Non-text elements, placeholder text |
| Black text on #ADD059 | 11.94:1 | AAA | Lc 71.8 | Content text, not long reading |
| #ADD059 text on white | 1.75:1 | Fails | Lc 32.1 | Non-text elements, placeholder text |
| #ADD059 text on black | 11.94:1 | AAA | Lc -70.6 | 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
#E4EFD0
oklch(93.6% 0.043 123.1)
-
Step 200
200
#CEE3A5
oklch(88.5% 0.085 123.3)
-
Step 300
300 (this color)
#ADD059
oklch(80.8% 0.151 123.5)
-
Step 400
400
#8CB100
oklch(70.7% 0.174 123.3)
-
Step 500
500
#779800
oklch(63.1% 0.156 123.6)
-
Step 600
600
#648000
oklch(55.8% 0.138 123.5)
-
Step 700
700
#536B00
oklch(49% 0.121 123.6)
-
Step 800
800
#445800
oklch(42.8% 0.106 123.5)
-
Step 900
900
#384900
oklch(37.7% 0.093 123.4)
-
Step 950
950
#202B00
oklch(26.9% 0.066 123.3)
#ADD059 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) | #DBC44C | 0.065 |
| Deuteranopia (no green cones) | #D6C361 | 0.066 |
| Tritanopia (no blue cones) | #B4C7B6 | 0.124 |
| Achromatopsia (no color) | #C3C3C3 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD059
#ADD059
oklch(80.8% 0.151 123.5)
- #D0ADFF
#D0ADFF
oklch(80.8% 0.119 303.4)
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 #ADD059, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Olive Green #B1D27B ΔE 0.035
- Yellow Green #9ACD32 ΔE 0.041
- Light Moss Green #A6C875 ΔE 0.041
- Greenish Tan #BCCB7A ΔE 0.047
- Pale Olive #B9CC81 ΔE 0.052
- Light Olive Green #A4BE5C ΔE 0.053
- Greenish Beige #C9D179 ΔE 0.053
- Light Olive #ACBF69 ΔE 0.054
Use #ADD059 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.