#A78F17
Closest named color: Yellowy Brown (#AE8B0C). oklch(65.3% 0.129 96.5), rgb(167, 143, 23).
Aa
Black text reads best on this color (6.58:1).
About this color
#A78F17 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 65%, its chroma 0.129 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Yellowy Brown (#AE8B0C), ΔE 0.014 away. Black text reads best on it, at 6.58:1.
| Hue family | Yellows |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Yellowy Brown (#AE8B0C) |
| Black text | 6.58:1 |
| White text | 3.18:1 |
Values
| HEX | #A78F17 |
| RGB | rgb(167, 143, 23) |
| HSL | hsl(50, 76%, 37%) |
| OKLCH | oklch(65.3% 0.129 96.5) |
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 #A78F17 | 3.18:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #A78F17 | 6.58:1 | AA | Lc 45.2 | Large or bold text, headings |
| #A78F17 text on white | 3.18:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #A78F17 text on black | 6.58:1 | AA | Lc -42.8 | Non-text elements, placeholder text |
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
#F7F6EF
oklch(97.2% 0.009 100)
-
Step 100
100
#EDEADD
oklch(93.6% 0.018 96.1)
-
Step 200
200
#DFDAC0
oklch(88.5% 0.035 98.1)
-
Step 300
300
#CCC193
oklch(80.9% 0.062 96.2)
-
Step 400
400
#B3A153
oklch(70.8% 0.101 96.6)
-
Step 500
500 (this color)
#A78F17
oklch(65.3% 0.129 96.5)
-
Step 600
600
#877200
oklch(55.5% 0.114 96.2)
-
Step 700
700
#726000
oklch(49.2% 0.101 96.3)
-
Step 800
800
#5D4E00
oklch(42.6% 0.088 96.3)
-
Step 900
900
#4E4100
oklch(37.8% 0.078 96.2)
-
Step 950
950
#2E2602
oklch(27% 0.053 96.4)
#A78F17 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) | #9F8C00 | 0.017 |
| Deuteranopia (no green cones) | #A59321 | 0.010 |
| Tritanopia (no blue cones) | #B5837A | 0.118 |
| Achromatopsia (no color) | #909090 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A78F17
#A78F17
oklch(65.3% 0.129 96.5)
- #7C87DE
#7C87DE
oklch(65.2% 0.13 276.7)
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 #A78F17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellowy Brown #AE8B0C ΔE 0.014
- Dark Mustard #A88905 ΔE 0.015
- Dark Gold #B59410 ΔE 0.027
- Brown Yellow #B29705 ΔE 0.030
- Yellow Brown #B79400 ΔE 0.030
- Dark Goldenrod #B8860B ΔE 0.034
- Ochre #BF9005 ΔE 0.039
- Pea Soup #929901 ΔE 0.043
Use #A78F17 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.