#999951
Closest named color: Dark Sand (#A88F59). oklch(66.7% 0.095 108.7), rgb(153, 153, 81).
Aa
Black text reads best on this color (7.02:1).
About this color
#999951 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 67%, its chroma 0.095 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Sand (#A88F59), ΔE 0.039 away. Black text reads best on it, at 7.02:1.
| Hue family | Yellows |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Dark Sand (#A88F59) |
| Black text | 7.02:1 |
| White text | 2.98:1 |
Values
| HEX | #999951 |
| RGB | rgb(153, 153, 81) |
| HSL | hsl(60, 31%, 46%) |
| OKLCH | oklch(66.7% 0.095 108.7) |
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 #999951 | 2.98:1 | Fails | Lc -61.8 | Content text, not long reading |
| Black text on #999951 | 7.02:1 | AAA | Lc 47.6 | Large or bold text, headings |
| #999951 text on white | 2.98:1 | Fails | Lc 56.5 | Large or bold text, headings |
| #999951 text on black | 7.02:1 | AAA | Lc -45.3 | 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 500.
-
Step 50
50
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EAEBE1
oklch(93.7% 0.013 111.3)
-
Step 200
200
#DADBC8
oklch(88.5% 0.026 109.4)
-
Step 300
300
#C3C3A1
oklch(80.8% 0.046 107.4)
-
Step 400
400
#A4A56E
oklch(70.8% 0.075 109)
-
Step 500
500 (this color)
#999951
oklch(66.7% 0.095 108.7)
-
Step 600
600
#797825
oklch(55.7% 0.103 108.7)
-
Step 700
700
#666517
oklch(49.3% 0.096 108.7)
-
Step 800
800
#535217
oklch(42.7% 0.079 108.4)
-
Step 900
900
#44441A
oklch(37.7% 0.061 109)
-
Step 950
950
#282810
oklch(27% 0.039 108.8)
#999951 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) | #A3944B | 0.018 |
| Deuteranopia (no green cones) | #A49754 | 0.018 |
| Tritanopia (no blue cones) | #A29188 | 0.085 |
| Achromatopsia (no color) | #959595 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999951
#999951
oklch(66.7% 0.095 108.7)
- #928BCB
#928BCB
oklch(66.7% 0.094 288.6)
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 #999951, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sand #A88F59 ΔE 0.039
- Dark Beige #AC9362 ΔE 0.043
- Moss #769958 ΔE 0.047
- Camo #7F8F4E ΔE 0.049
- Brown Yellow #B29705 ΔE 0.053
- Yellowy Brown #AE8B0C ΔE 0.053
- Grey Green #86A17D ΔE 0.053
- Dark Gold #B59410 ΔE 0.053
Use #999951 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.