#999E37
Closest named color: Pea Soup (#929901). oklch(67.5% 0.125 112), rgb(153, 158, 55).
Aa
Black text reads best on this color (7.30:1).
About this color
#999E37 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 68%, its chroma 0.125 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pea Soup (#929901), ΔE 0.029 away. Black text reads best on it, at 7.30:1.
| Hue family | Yellows |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Pea Soup (#929901) |
| Black text | 7.30:1 |
| White text | 2.87:1 |
Values
| HEX | #999E37 |
| RGB | rgb(153, 158, 55) |
| HSL | hsl(63, 48%, 42%) |
| OKLCH | oklch(67.5% 0.125 112) |
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 #999E37 | 2.87:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #999E37 | 7.30:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #999E37 text on white | 2.87:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #999E37 text on black | 7.30:1 | AAA | Lc -46.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#F5F6EE
oklch(97% 0.011 112.4)
-
Step 100
100
#EAECDB
oklch(93.7% 0.023 112.3)
-
Step 200
200
#D9DDBC
oklch(88.6% 0.044 112.9)
-
Step 300
300
#C1C68B
oklch(80.8% 0.078 112.1)
-
Step 400
400 (this color)
#999E37
oklch(67.5% 0.125 112)
-
Step 500
500
#8C9100
oklch(63.1% 0.14 112.2)
-
Step 600
600
#767A00
oklch(55.7% 0.123 112.1)
-
Step 700
700
#636600
oklch(49.1% 0.109 111.8)
-
Step 800
800
#515300
oklch(42.6% 0.094 111.4)
-
Step 900
900
#434500
oklch(37.6% 0.083 111.6)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#999E37 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) | #AA9729 | 0.028 |
| Deuteranopia (no green cones) | #AA9A3E | 0.029 |
| Tritanopia (no blue cones) | #A39589 | 0.111 |
| Achromatopsia (no color) | #989898 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999E37
#999E37
oklch(67.5% 0.125 112)
- #9987DD
#9987DD
oklch(67.4% 0.126 292.3)
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 #999E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea Soup #929901 ΔE 0.029
- Pea Soup Green #94A617 ΔE 0.034
- Brown Yellow #B29705 ΔE 0.039
- Avocado Green #87A922 ΔE 0.044
- Dark Gold #B59410 ΔE 0.045
- Yellow Brown #B79400 ΔE 0.048
- Pea Green #8EAB12 ΔE 0.048
- Asparagus #77AB56 ΔE 0.051
Use #999E37 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.